A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 5990-01-443-2931
NSN 6240-01-612-4236
NSN 5985-01-634-0635
NSN 5930-01-054-2643
NSN 6685-01-634-0611
NSN 5895-01-419-4339
NSN 6610-00-944-0346
NSN 6320-01-421-7826
NSN 5998-00-675-3560
NSN 5945-00-678-4609
NSN 5945-01-179-5147
NSN 6320-01-292-6635